Add 70/27 and 18/28
1st number: 2 16/27, 2nd number: 18/28
70/27 + 18/28 is 1223/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
70/27 = 70 × 28/27 × 28 = 1960/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
18/28 = 18 × 27/28 × 27 = 486/756 - Add the two like fractions:
1960/756 + 486/756 = 1960 + 486/756 = 2446/756 - 2446/756 simplified gives 1223/378
- So, 70/27 + 18/28 = 1223/378
In mixed form: 389/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27+36/28 70/54+18/28 70/27+18/56 70/27+54/28 70/81+18/28 70/27+18/84 70/27+90/28